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28424174 = 257724631
BaseRepresentation
bin110110001101…
…1011111101110
31222111002122012
41230123133232
524234033144
62453121222
7463413212
oct154333756
958432565
1028424174
1115054559
129629212
135b7294c
143abc942
152766e9e
hex1b1b7ee

28424174 has 8 divisors (see below), whose sum is σ = 42711888. Its totient is φ = 14186880.

The previous prime is 28424173. The next prime is 28424183. The reversal of 28424174 is 47142482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28424174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28424173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11162 + ... + 13469.

It is an arithmetic number, because the mean of its divisors is an integer number (5338986).

Almost surely, 228424174 is an apocalyptic number.

28424174 is a deficient number, since it is larger than the sum of its proper divisors (14287714).

28424174 is a wasteful number, since it uses less digits than its factorization.

28424174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25210.

The product of its digits is 14336, while the sum is 32.

The square root of 28424174 is about 5331.4326404823. The cubic root of 28424174 is about 305.1846020332.

The spelling of 28424174 in words is "twenty-eight million, four hundred twenty-four thousand, one hundred seventy-four".

Divisors: 1 2 577 1154 24631 49262 14212087 28424174